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<h1>Emac.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//*----------------------------------------------------------------------------</span>
<a name="l00002"></a>00002 <span class="comment">//*         ATMEL Microcontroller Software Support  -  ROUSSET  -</span>
<a name="l00003"></a>00003 <span class="comment">//*----------------------------------------------------------------------------</span>
<a name="l00004"></a>00004 <span class="comment">//* The software is delivered "AS IS" without warranty or condition of any</span>
<a name="l00005"></a>00005 <span class="comment">//* kind, either express, implied or statutory. This includes without</span>
<a name="l00006"></a>00006 <span class="comment">//* limitation any warranty or condition with respect to merchantability or</span>
<a name="l00007"></a>00007 <span class="comment">//* fitness for any particular purpose, or against the infringements of</span>
<a name="l00008"></a>00008 <span class="comment">//* intellectual property rights of others.</span>
<a name="l00009"></a>00009 <span class="comment">//*----------------------------------------------------------------------------</span>
<a name="l00010"></a>00010 <span class="comment">//* File Name           : Emac.h</span>
<a name="l00011"></a>00011 <span class="comment">//* Object              : Emac header file</span>
<a name="l00012"></a>00012 <span class="comment">//* Creation            : Hi   11/18/2002</span>
<a name="l00013"></a>00013 <span class="comment">//*</span>
<a name="l00014"></a>00014 <span class="comment">//*----------------------------------------------------------------------------</span>
<a name="l00015"></a>00015 <span class="preprocessor">#ifndef AT91C_EMAC_H</span>
<a name="l00016"></a>00016 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_EMAC_H</span>
<a name="l00017"></a>00017 <span class="preprocessor"></span>
<a name="l00018"></a>00018 <span class="preprocessor">#include "lwipopts.h"</span>
<a name="l00019"></a>00019 
<a name="l00020"></a>00020 
<a name="l00021"></a>00021 <span class="comment">/* Number of receive buffers */</span>
<a name="l00022"></a>00022 <span class="preprocessor">#define NB_RX_BUFFERS     50</span>
<a name="l00023"></a>00023 <span class="preprocessor"></span>
<a name="l00024"></a>00024 <span class="comment">/* Size of each receive buffer - DO NOT CHANGE. */</span>
<a name="l00025"></a>00025 <span class="preprocessor">#define ETH_RX_BUFFER_SIZE    128         </span>
<a name="l00026"></a>00026 <span class="preprocessor"></span>
<a name="l00027"></a>00027 <span class="comment">/* Number of Transmit buffers */</span>
<a name="l00028"></a>00028 <span class="preprocessor">#define NB_TX_BUFFERS     ( MEMP_NUM_PBUF / 2 ) </span>
<a name="l00029"></a>00029 <span class="preprocessor"></span>
<a name="l00030"></a>00030 <span class="comment">/* Size of each Transmit buffer. */</span>
<a name="l00031"></a>00031 <span class="preprocessor">#define ETH_TX_BUFFER_SIZE    ( PBUF_POOL_BUFSIZE  )   </span>
<a name="l00032"></a>00032 <span class="preprocessor"></span>
<a name="l00033"></a>00033 <span class="comment">/* Receive Transfer descriptor structure */</span>
<a name="l00034"></a>00034 <span class="keyword">typedef</span> <span class="keyword">struct  </span>_AT91S_RxTdDescriptor {
<a name="l00035"></a>00035   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> addr;
<a name="l00036"></a>00036   <span class="keyword">union</span>
<a name="l00037"></a>00037   {
<a name="l00038"></a>00038     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> status;
<a name="l00039"></a>00039     <span class="keyword">struct </span>{
<a name="l00040"></a>00040       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Length:11;
<a name="l00041"></a>00041       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Res0:1;
<a name="l00042"></a>00042       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Rxbuf_off:2;
<a name="l00043"></a>00043       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> StartOfFrame:1;
<a name="l00044"></a>00044       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> EndOfFrame:1;
<a name="l00045"></a>00045       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Cfi:1;
<a name="l00046"></a>00046       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> VlanPriority:3;
<a name="l00047"></a>00047       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> PriorityTag:1;
<a name="l00048"></a>00048       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> VlanTag:1;
<a name="l00049"></a>00049       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> TypeID:1;
<a name="l00050"></a>00050       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Sa4Match:1;
<a name="l00051"></a>00051       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Sa3Match:1;
<a name="l00052"></a>00052       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Sa2Match:1;
<a name="l00053"></a>00053       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Sa1Match:1;
<a name="l00054"></a>00054       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Res1:1;
<a name="l00055"></a>00055       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> ExternalAdd:1;
<a name="l00056"></a>00056       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> UniCast:1;
<a name="l00057"></a>00057       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> MultiCast:1;
<a name="l00058"></a>00058       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> BroadCast:1;
<a name="l00059"></a>00059     }S_Status;    
<a name="l00060"></a>00060   }U_Status;
<a name="l00061"></a>00061 }AT91S_RxTdDescriptor, *AT91PS_RxTdDescriptor;
<a name="l00062"></a>00062 
<a name="l00063"></a>00063 
<a name="l00064"></a>00064 <span class="comment">/* Transmit Transfer descriptor structure */</span>
<a name="l00065"></a>00065 <span class="keyword">typedef</span> <span class="keyword">struct </span>_AT91S_TxTdDescriptor {
<a name="l00066"></a>00066   <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> addr;
<a name="l00067"></a>00067   <span class="keyword">union</span>
<a name="l00068"></a>00068   {
<a name="l00069"></a>00069     <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> status;
<a name="l00070"></a>00070     <span class="keyword">struct </span>{
<a name="l00071"></a>00071       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Length:11;
<a name="l00072"></a>00072       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Res0:4;
<a name="l00073"></a>00073       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> LastBuff:1;
<a name="l00074"></a>00074       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> NoCrc:1;
<a name="l00075"></a>00075       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Res1:10;
<a name="l00076"></a>00076       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> BufExhausted:1;
<a name="l00077"></a>00077       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> TransmitUnderrun:1;
<a name="l00078"></a>00078       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> TransmitError:1;
<a name="l00079"></a>00079       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> Wrap:1;
<a name="l00080"></a>00080       <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> BuffUsed:1;
<a name="l00081"></a>00081     }S_Status;    
<a name="l00082"></a>00082   }U_Status;
<a name="l00083"></a>00083 }AT91S_TxTdDescriptor, *AT91PS_TxTdDescriptor;
<a name="l00084"></a>00084 
<a name="l00085"></a>00085 <span class="preprocessor">#define AT91C_OWNERSHIP_BIT   0x00000001</span>
<a name="l00086"></a>00086 <span class="preprocessor"></span>
<a name="l00087"></a>00087 <span class="comment">/* Receive status defintion */</span>
<a name="l00088"></a>00088 <span class="preprocessor">#define AT91C_BROADCAST_ADDR  ((unsigned int) (1 &lt;&lt; 31))  //* Broadcat address detected</span>
<a name="l00089"></a>00089 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_MULTICAST_HASH  ((unsigned int) (1 &lt;&lt; 30))  //* MultiCast hash match</span>
<a name="l00090"></a>00090 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_UNICAST_HASH      ((unsigned int) (1 &lt;&lt; 29))  //* UniCast hash match</span>
<a name="l00091"></a>00091 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_EXTERNAL_ADDR     ((unsigned int) (1 &lt;&lt; 28))  //* External Address match</span>
<a name="l00092"></a>00092 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_SA1_ADDR        ((unsigned int) (1 &lt;&lt; 26))  //* Specific address 1 match</span>
<a name="l00093"></a>00093 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_SA2_ADDR        ((unsigned int) (1 &lt;&lt; 25))  //* Specific address 2 match</span>
<a name="l00094"></a>00094 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_SA3_ADDR        ((unsigned int) (1 &lt;&lt; 24))  //* Specific address 3 match</span>
<a name="l00095"></a>00095 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_SA4_ADDR        ((unsigned int) (1 &lt;&lt; 23))  //* Specific address 4 match</span>
<a name="l00096"></a>00096 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_TYPE_ID       ((unsigned int) (1 &lt;&lt; 22))  //* Type ID match</span>
<a name="l00097"></a>00097 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_VLAN_TAG        ((unsigned int) (1 &lt;&lt; 21))  //* VLAN tag detected</span>
<a name="l00098"></a>00098 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_PRIORITY_TAG      ((unsigned int) (1 &lt;&lt; 20))  //* PRIORITY tag detected</span>
<a name="l00099"></a>00099 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_VLAN_PRIORITY     ((unsigned int) (7 &lt;&lt; 17))  //* PRIORITY Mask</span>
<a name="l00100"></a>00100 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_CFI_IND         ((unsigned int) (1 &lt;&lt; 16))  //* CFI indicator</span>
<a name="l00101"></a>00101 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_EOF             ((unsigned int) (1 &lt;&lt; 15))  //* EOF</span>
<a name="l00102"></a>00102 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_SOF             ((unsigned int) (1 &lt;&lt; 14))  //* SOF</span>
<a name="l00103"></a>00103 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_RBF_OFFSET      ((unsigned int) (3 &lt;&lt; 12))  //* Receive Buffer Offset Mask</span>
<a name="l00104"></a>00104 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_LENGTH_FRAME      ((unsigned int) 0x07FF)     //* Length of frame</span>
<a name="l00105"></a>00105 <span class="preprocessor"></span>
<a name="l00106"></a>00106 <span class="comment">/* Transmit Status definition */</span>
<a name="l00107"></a>00107 <span class="preprocessor">#define AT91C_TRANSMIT_OK   ((unsigned int) (1 &lt;&lt; 31))  //*</span>
<a name="l00108"></a>00108 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_TRANSMIT_WRAP   ((unsigned int) (1 &lt;&lt; 30))  //* Wrap bit: mark the last descriptor</span>
<a name="l00109"></a>00109 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_TRANSMIT_ERR    ((unsigned int) (1 &lt;&lt; 29))  //* RLE:transmit error</span>
<a name="l00110"></a>00110 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_TRANSMIT_UND    ((unsigned int) (1 &lt;&lt; 28))  //* Transmit Underrun</span>
<a name="l00111"></a>00111 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_BUF_EX        ((unsigned int) (1 &lt;&lt; 27))  //* Buffers exhausted in mid frame</span>
<a name="l00112"></a>00112 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_TRANSMIT_NO_CRC ((unsigned int) (1 &lt;&lt; 16))  //* No CRC will be appended to the current frame</span>
<a name="l00113"></a>00113 <span class="preprocessor"></span><span class="preprocessor">#define AT91C_LAST_BUFFER     ((unsigned int) (1 &lt;&lt; 15))  //*</span>
<a name="l00114"></a>00114 <span class="preprocessor"></span>
<a name="l00115"></a>00115 <span class="preprocessor">#define AT91C_EMAC_CLKEN 0x2</span>
<a name="l00116"></a>00116 <span class="preprocessor"></span>
<a name="l00117"></a>00117 <span class="preprocessor">#endif //* AT91C_EMAC_H</span>
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  <p class="footer">The Make Controller Kit is an open source project maintained by <a href="http://www.makingthings.com">MakingThings</a>.<br />
    MakingThings code is released under the <a href="http://www.apache.org/licenses/LICENSE-2.0.html" target="_blank">Apache 2.0 license</a>.<br />
    Bug tracker, development wiki and status can be found at <a href="http://dev.makingthings.com">http://dev.makingthings.com</a>.<br />
		This document was last updated on 5 Dec 2007.
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